Home / 137,596.74-189,802.86-86,528.46

Finding the Fourth Proportional to 137,596.74, 189,802.86 and 86,528.46

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Solution

The fourth proportional to 137,596.74, 189,802.86 and 86,528.46 is: 119,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,596.74 : 189,802.86 = 86,528.46 : x
  2. Step 2: Convert to fraction form
    137,596.74/189,802.86 = 86,528.46/x
  3. Step 3: Cross multiply
    137,596.74x = 189,802.86 × 86,528.46
  4. Step 4: Simplify right side
    137,596.74x = 16,423,349,179.40
  5. Step 5: Solve for x
    x = 16,423,349,179.40/137,596.74
  6. Step 6: Final answer
    x = 119,358.56

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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.