Home / 177,642.57-245,147.40-97,070.10

Finding the Fourth Proportional to 177,642.57, 245,147.40 and 97,070.10

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Solution

The fourth proportional to 177,642.57, 245,147.40 and 97,070.10 is: 133,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,642.57 : 245,147.40 = 97,070.10 : x
  2. Step 2: Convert to fraction form
    177,642.57/245,147.40 = 97,070.10/x
  3. Step 3: Cross multiply
    177,642.57x = 245,147.40 × 97,070.10
  4. Step 4: Simplify right side
    177,642.57x = 23,796,482,632.74
  5. Step 5: Solve for x
    x = 23,796,482,632.74/177,642.57
  6. Step 6: Final answer
    x = 133,957.10

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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.