Home / 145,621.17-218,516.64-61,376.10

Finding the Fourth Proportional to 145,621.17, 218,516.64 and 61,376.10

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Solution

The fourth proportional to 145,621.17, 218,516.64 and 61,376.10 is: 92,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,621.17 : 218,516.64 = 61,376.10 : x
  2. Step 2: Convert to fraction form
    145,621.17/218,516.64 = 61,376.10/x
  3. Step 3: Cross multiply
    145,621.17x = 218,516.64 × 61,376.10
  4. Step 4: Simplify right side
    145,621.17x = 13,411,699,148.30
  5. Step 5: Solve for x
    x = 13,411,699,148.30/145,621.17
  6. Step 6: Final answer
    x = 92,099.93

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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.