Home / 130,937.73-180,688.98-80,035.68

Finding the Fourth Proportional to 130,937.73, 180,688.98 and 80,035.68

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Solution

The fourth proportional to 130,937.73, 180,688.98 and 80,035.68 is: 110,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,937.73 : 180,688.98 = 80,035.68 : x
  2. Step 2: Convert to fraction form
    130,937.73/180,688.98 = 80,035.68/x
  3. Step 3: Cross multiply
    130,937.73x = 180,688.98 × 80,035.68
  4. Step 4: Simplify right side
    130,937.73x = 14,461,565,760.26
  5. Step 5: Solve for x
    x = 14,461,565,760.26/130,937.73
  6. Step 6: Final answer
    x = 110,446.13

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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.