Home / 145,242.95-217,460.35-74,012.03

Finding the Fourth Proportional to 145,242.95, 217,460.35 and 74,012.03

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Solution

The fourth proportional to 145,242.95, 217,460.35 and 74,012.03 is: 110,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,242.95 : 217,460.35 = 74,012.03 : x
  2. Step 2: Convert to fraction form
    145,242.95/217,460.35 = 74,012.03/x
  3. Step 3: Cross multiply
    145,242.95x = 217,460.35 × 74,012.03
  4. Step 4: Simplify right side
    145,242.95x = 16,094,680,860.71
  5. Step 5: Solve for x
    x = 16,094,680,860.71/145,242.95
  6. Step 6: Final answer
    x = 110,812.13

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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.