Home / 180,677.28-249,336.63-100,106.06

Finding the Fourth Proportional to 180,677.28, 249,336.63 and 100,106.06

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Solution

The fourth proportional to 180,677.28, 249,336.63 and 100,106.06 is: 138,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,677.28 : 249,336.63 = 100,106.06 : x
  2. Step 2: Convert to fraction form
    180,677.28/249,336.63 = 100,106.06/x
  3. Step 3: Cross multiply
    180,677.28x = 249,336.63 × 100,106.06
  4. Step 4: Simplify right side
    180,677.28x = 24,960,108,266.32
  5. Step 5: Solve for x
    x = 24,960,108,266.32/180,677.28
  6. Step 6: Final answer
    x = 138,147.47

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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.