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Finding the Fourth Proportional to 180,633.69, 249,274.52 and 98,962.31

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Solution

The fourth proportional to 180,633.69, 249,274.52 and 98,962.31 is: 136,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,633.69 : 249,274.52 = 98,962.31 : x
  2. Step 2: Convert to fraction form
    180,633.69/249,274.52 = 98,962.31/x
  3. Step 3: Cross multiply
    180,633.69x = 249,274.52 × 98,962.31
  4. Step 4: Simplify right side
    180,633.69x = 24,668,780,582.16
  5. Step 5: Solve for x
    x = 24,668,780,582.16/180,633.69
  6. Step 6: Final answer
    x = 136,567.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.