Home / 115,088.02-158,866.05-89,945.62

Finding the Fourth Proportional to 115,088.02, 158,866.05 and 89,945.62

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Solution

The fourth proportional to 115,088.02, 158,866.05 and 89,945.62 is: 124,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.02 : 158,866.05 = 89,945.62 : x
  2. Step 2: Convert to fraction form
    115,088.02/158,866.05 = 89,945.62/x
  3. Step 3: Cross multiply
    115,088.02x = 158,866.05 × 89,945.62
  4. Step 4: Simplify right side
    115,088.02x = 14,289,305,364.20
  5. Step 5: Solve for x
    x = 14,289,305,364.20/115,088.02
  6. Step 6: Final answer
    x = 124,159.80

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1.5x scale

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.