Home / 249,436.12-374,151.48-71,937.40

Finding the Fourth Proportional to 249,436.12, 374,151.48 and 71,937.40

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Solution

The fourth proportional to 249,436.12, 374,151.48 and 71,937.40 is: 107,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,436.12 : 374,151.48 = 71,937.40 : x
  2. Step 2: Convert to fraction form
    249,436.12/374,151.48 = 71,937.40/x
  3. Step 3: Cross multiply
    249,436.12x = 374,151.48 × 71,937.40
  4. Step 4: Simplify right side
    249,436.12x = 26,915,484,677.35
  5. Step 5: Solve for x
    x = 26,915,484,677.35/249,436.12
  6. Step 6: Final answer
    x = 107,905.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.