Home / 145,632.01-218,168.13-89,307.88

Finding the Fourth Proportional to 145,632.01, 218,168.13 and 89,307.88

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Solution

The fourth proportional to 145,632.01, 218,168.13 and 89,307.88 is: 133,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,632.01 : 218,168.13 = 89,307.88 : x
  2. Step 2: Convert to fraction form
    145,632.01/218,168.13 = 89,307.88/x
  3. Step 3: Cross multiply
    145,632.01x = 218,168.13 × 89,307.88
  4. Step 4: Simplify right side
    145,632.01x = 19,484,133,173.86
  5. Step 5: Solve for x
    x = 19,484,133,173.86/145,632.01
  6. Step 6: Final answer
    x = 133,790.18

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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.