Home / 125,017.11-172,522.27-67,655.16

Finding the Fourth Proportional to 125,017.11, 172,522.27 and 67,655.16

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Solution

The fourth proportional to 125,017.11, 172,522.27 and 67,655.16 is: 93,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,017.11 : 172,522.27 = 67,655.16 : x
  2. Step 2: Convert to fraction form
    125,017.11/172,522.27 = 67,655.16/x
  3. Step 3: Cross multiply
    125,017.11x = 172,522.27 × 67,655.16
  4. Step 4: Simplify right side
    125,017.11x = 11,672,022,483.40
  5. Step 5: Solve for x
    x = 11,672,022,483.40/125,017.11
  6. Step 6: Final answer
    x = 93,363.40

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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.