Home / 160,840.18-221,960.45-89,224.74

Finding the Fourth Proportional to 160,840.18, 221,960.45 and 89,224.74

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Solution

The fourth proportional to 160,840.18, 221,960.45 and 89,224.74 is: 123,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,840.18 : 221,960.45 = 89,224.74 : x
  2. Step 2: Convert to fraction form
    160,840.18/221,960.45 = 89,224.74/x
  3. Step 3: Cross multiply
    160,840.18x = 221,960.45 × 89,224.74
  4. Step 4: Simplify right side
    160,840.18x = 19,804,363,664.59
  5. Step 5: Solve for x
    x = 19,804,363,664.59/160,840.18
  6. Step 6: Final answer
    x = 123,130.70

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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.