Home / 142,988.65-197,242.34-89,180.24

Finding the Fourth Proportional to 142,988.65, 197,242.34 and 89,180.24

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Solution

The fourth proportional to 142,988.65, 197,242.34 and 89,180.24 is: 123,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,988.65 : 197,242.34 = 89,180.24 : x
  2. Step 2: Convert to fraction form
    142,988.65/197,242.34 = 89,180.24/x
  3. Step 3: Cross multiply
    142,988.65x = 197,242.34 × 89,180.24
  4. Step 4: Simplify right side
    142,988.65x = 17,590,119,935.42
  5. Step 5: Solve for x
    x = 17,590,119,935.42/142,988.65
  6. Step 6: Final answer
    x = 123,017.60

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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.