Home / 102,510.48-141,474.20-64,276.08

Finding the Fourth Proportional to 102,510.48, 141,474.20 and 64,276.08

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Solution

The fourth proportional to 102,510.48, 141,474.20 and 64,276.08 is: 88,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.48 : 141,474.20 = 64,276.08 : x
  2. Step 2: Convert to fraction form
    102,510.48/141,474.20 = 64,276.08/x
  3. Step 3: Cross multiply
    102,510.48x = 141,474.20 × 64,276.08
  4. Step 4: Simplify right side
    102,510.48x = 9,093,406,997.14
  5. Step 5: Solve for x
    x = 9,093,406,997.14/102,510.48
  6. Step 6: Final answer
    x = 88,707.10

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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.