Home / 125,458.61-173,166.07-77,684.81

Finding the Fourth Proportional to 125,458.61, 173,166.07 and 77,684.81

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Solution

The fourth proportional to 125,458.61, 173,166.07 and 77,684.81 is: 107,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,458.61 : 173,166.07 = 77,684.81 : x
  2. Step 2: Convert to fraction form
    125,458.61/173,166.07 = 77,684.81/x
  3. Step 3: Cross multiply
    125,458.61x = 173,166.07 × 77,684.81
  4. Step 4: Simplify right side
    125,458.61x = 13,452,373,246.40
  5. Step 5: Solve for x
    x = 13,452,373,246.40/125,458.61
  6. Step 6: Final answer
    x = 107,225.59

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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.