Home / 180,532.18-249,148.43-99,967.20

Finding the Fourth Proportional to 180,532.18, 249,148.43 and 99,967.20

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Solution

The fourth proportional to 180,532.18, 249,148.43 and 99,967.20 is: 137,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,532.18 : 249,148.43 = 99,967.20 : x
  2. Step 2: Convert to fraction form
    180,532.18/249,148.43 = 99,967.20/x
  3. Step 3: Cross multiply
    180,532.18x = 249,148.43 × 99,967.20
  4. Step 4: Simplify right side
    180,532.18x = 24,906,670,931.50
  5. Step 5: Solve for x
    x = 24,906,670,931.50/180,532.18
  6. Step 6: Final answer
    x = 137,962.50

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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.