Home / 133,298.60-183,957.62-76,710.12

Finding the Fourth Proportional to 133,298.60, 183,957.62 and 76,710.12

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Solution

The fourth proportional to 133,298.60, 183,957.62 and 76,710.12 is: 105,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,298.60 : 183,957.62 = 76,710.12 : x
  2. Step 2: Convert to fraction form
    133,298.60/183,957.62 = 76,710.12/x
  3. Step 3: Cross multiply
    133,298.60x = 183,957.62 × 76,710.12
  4. Step 4: Simplify right side
    133,298.60x = 14,111,411,105.11
  5. Step 5: Solve for x
    x = 14,111,411,105.11/133,298.60
  6. Step 6: Final answer
    x = 105,863.16

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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.