Home / 134,767.50-186,038.93-87,044.12

Finding the Fourth Proportional to 134,767.50, 186,038.93 and 87,044.12

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Solution

The fourth proportional to 134,767.50, 186,038.93 and 87,044.12 is: 120,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,767.50 : 186,038.93 = 87,044.12 : x
  2. Step 2: Convert to fraction form
    134,767.50/186,038.93 = 87,044.12/x
  3. Step 3: Cross multiply
    134,767.50x = 186,038.93 × 87,044.12
  4. Step 4: Simplify right side
    134,767.50x = 16,193,594,947.59
  5. Step 5: Solve for x
    x = 16,193,594,947.59/134,767.50
  6. Step 6: Final answer
    x = 120,159.50

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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.