Home / 145,385.90-217,728.93-98,496.62

Finding the Fourth Proportional to 145,385.90, 217,728.93 and 98,496.62

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Solution

The fourth proportional to 145,385.90, 217,728.93 and 98,496.62 is: 147,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,385.90 : 217,728.93 = 98,496.62 : x
  2. Step 2: Convert to fraction form
    145,385.90/217,728.93 = 98,496.62/x
  3. Step 3: Cross multiply
    145,385.90x = 217,728.93 × 98,496.62
  4. Step 4: Simplify right side
    145,385.90x = 21,445,563,681.22
  5. Step 5: Solve for x
    x = 21,445,563,681.22/145,385.90
  6. Step 6: Final answer
    x = 147,507.86

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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.