Home / 115,539.60-173,085.12-65,465.76

Finding the Fourth Proportional to 115,539.60, 173,085.12 and 65,465.76

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Solution

The fourth proportional to 115,539.60, 173,085.12 and 65,465.76 is: 98,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,539.60 : 173,085.12 = 65,465.76 : x
  2. Step 2: Convert to fraction form
    115,539.60/173,085.12 = 65,465.76/x
  3. Step 3: Cross multiply
    115,539.60x = 173,085.12 × 65,465.76
  4. Step 4: Simplify right side
    115,539.60x = 11,331,148,925.49
  5. Step 5: Solve for x
    x = 11,331,148,925.49/115,539.60
  6. Step 6: Final answer
    x = 98,071.56

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1.5x scale

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.