Home / 155,946.34-215,239.30-98,549.14

Finding the Fourth Proportional to 155,946.34, 215,239.30 and 98,549.14

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Solution

The fourth proportional to 155,946.34, 215,239.30 and 98,549.14 is: 136,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,946.34 : 215,239.30 = 98,549.14 : x
  2. Step 2: Convert to fraction form
    155,946.34/215,239.30 = 98,549.14/x
  3. Step 3: Cross multiply
    155,946.34x = 215,239.30 × 98,549.14
  4. Step 4: Simplify right side
    155,946.34x = 21,211,647,909.20
  5. Step 5: Solve for x
    x = 21,211,647,909.20/155,946.34
  6. Step 6: Final answer
    x = 136,018.89

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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.