Home / 125,600.58-173,155.59-100,193.13

Finding the Fourth Proportional to 125,600.58, 173,155.59 and 100,193.13

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Solution

The fourth proportional to 125,600.58, 173,155.59 and 100,193.13 is: 138,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600.58 : 173,155.59 = 100,193.13 : x
  2. Step 2: Convert to fraction form
    125,600.58/173,155.59 = 100,193.13/x
  3. Step 3: Cross multiply
    125,600.58x = 173,155.59 × 100,193.13
  4. Step 4: Simplify right side
    125,600.58x = 17,349,000,539.10
  5. Step 5: Solve for x
    x = 17,349,000,539.10/125,600.58
  6. Step 6: Final answer
    x = 138,128.35

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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.