Home / 130,411.52-179,968-73,841.12

Finding the Fourth Proportional to 130,411.52, 179,968 and 73,841.12

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Solution

The fourth proportional to 130,411.52, 179,968 and 73,841.12 is: 101,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,411.52 : 179,968 = 73,841.12 : x
  2. Step 2: Convert to fraction form
    130,411.52/179,968 = 73,841.12/x
  3. Step 3: Cross multiply
    130,411.52x = 179,968 × 73,841.12
  4. Step 4: Simplify right side
    130,411.52x = 13,289,038,684.16
  5. Step 5: Solve for x
    x = 13,289,038,684.16/130,411.52
  6. Step 6: Final answer
    x = 101,900.80

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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.