Home / 130,948.04-180,708.34-71,332.04

Finding the Fourth Proportional to 130,948.04, 180,708.34 and 71,332.04

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Solution

The fourth proportional to 130,948.04, 180,708.34 and 71,332.04 is: 98,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,948.04 : 180,708.34 = 71,332.04 : x
  2. Step 2: Convert to fraction form
    130,948.04/180,708.34 = 71,332.04/x
  3. Step 3: Cross multiply
    130,948.04x = 180,708.34 × 71,332.04
  4. Step 4: Simplify right side
    130,948.04x = 12,890,294,537.21
  5. Step 5: Solve for x
    x = 12,890,294,537.21/130,948.04
  6. Step 6: Final answer
    x = 98,438.24

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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.