Home / 105,500.76-145,602.74-60,189.92

Finding the Fourth Proportional to 105,500.76, 145,602.74 and 60,189.92

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Solution

The fourth proportional to 105,500.76, 145,602.74 and 60,189.92 is: 83,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,500.76 : 145,602.74 = 60,189.92 : x
  2. Step 2: Convert to fraction form
    105,500.76/145,602.74 = 60,189.92/x
  3. Step 3: Cross multiply
    105,500.76x = 145,602.74 × 60,189.92
  4. Step 4: Simplify right side
    105,500.76x = 8,763,817,272.38
  5. Step 5: Solve for x
    x = 8,763,817,272.38/105,500.76
  6. Step 6: Final answer
    x = 83,068.76

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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.