Home / 145,499.10-218,248.65-98,843.10

Finding the Fourth Proportional to 145,499.10, 218,248.65 and 98,843.10

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Solution

The fourth proportional to 145,499.10, 218,248.65 and 98,843.10 is: 148,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,499.10 : 218,248.65 = 98,843.10 : x
  2. Step 2: Convert to fraction form
    145,499.10/218,248.65 = 98,843.10/x
  3. Step 3: Cross multiply
    145,499.10x = 218,248.65 × 98,843.10
  4. Step 4: Simplify right side
    145,499.10x = 21,572,373,136.82
  5. Step 5: Solve for x
    x = 21,572,373,136.82/145,499.10
  6. Step 6: Final answer
    x = 148,264.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.