Home / 125,557.46-173,153.40-85,331.24

Finding the Fourth Proportional to 125,557.46, 173,153.40 and 85,331.24

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Solution

The fourth proportional to 125,557.46, 173,153.40 and 85,331.24 is: 117,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,557.46 : 173,153.40 = 85,331.24 : x
  2. Step 2: Convert to fraction form
    125,557.46/173,153.40 = 85,331.24/x
  3. Step 3: Cross multiply
    125,557.46x = 173,153.40 × 85,331.24
  4. Step 4: Simplify right side
    125,557.46x = 14,775,394,332.22
  5. Step 5: Solve for x
    x = 14,775,394,332.22/125,557.46
  6. Step 6: Final answer
    x = 117,678.35

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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.