Home / 207,097.02-285,890.18-156,130.47

Finding the Fourth Proportional to 207,097.02, 285,890.18 and 156,130.47

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Solution

The fourth proportional to 207,097.02, 285,890.18 and 156,130.47 is: 215,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,097.02 : 285,890.18 = 156,130.47 : x
  2. Step 2: Convert to fraction form
    207,097.02/285,890.18 = 156,130.47/x
  3. Step 3: Cross multiply
    207,097.02x = 285,890.18 × 156,130.47
  4. Step 4: Simplify right side
    207,097.02x = 44,636,167,391.13
  5. Step 5: Solve for x
    x = 44,636,167,391.13/207,097.02
  6. Step 6: Final answer
    x = 215,532.64

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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.