Home / 130,927.04-180,679.36-71,311.04

Finding the Fourth Proportional to 130,927.04, 180,679.36 and 71,311.04

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Solution

The fourth proportional to 130,927.04, 180,679.36 and 71,311.04 is: 98,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927.04 : 180,679.36 = 71,311.04 : x
  2. Step 2: Convert to fraction form
    130,927.04/180,679.36 = 71,311.04/x
  3. Step 3: Cross multiply
    130,927.04x = 180,679.36 × 71,311.04
  4. Step 4: Simplify right side
    130,927.04x = 12,884,433,068.13
  5. Step 5: Solve for x
    x = 12,884,433,068.13/130,927.04
  6. Step 6: Final answer
    x = 98,409.26

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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.