Home / 152,637.90-210,613.14-92,168.02

Finding the Fourth Proportional to 152,637.90, 210,613.14 and 92,168.02

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Solution

The fourth proportional to 152,637.90, 210,613.14 and 92,168.02 is: 127,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,637.90 : 210,613.14 = 92,168.02 : x
  2. Step 2: Convert to fraction form
    152,637.90/210,613.14 = 92,168.02/x
  3. Step 3: Cross multiply
    152,637.90x = 210,613.14 × 92,168.02
  4. Step 4: Simplify right side
    152,637.90x = 19,411,796,099.78
  5. Step 5: Solve for x
    x = 19,411,796,099.78/152,637.90
  6. Step 6: Final answer
    x = 127,175.47

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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.