Home / 160,431.60-221,400.81-92,443.35

Finding the Fourth Proportional to 160,431.60, 221,400.81 and 92,443.35

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Solution

The fourth proportional to 160,431.60, 221,400.81 and 92,443.35 is: 127,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.60 : 221,400.81 = 92,443.35 : x
  2. Step 2: Convert to fraction form
    160,431.60/221,400.81 = 92,443.35/x
  3. Step 3: Cross multiply
    160,431.60x = 221,400.81 × 92,443.35
  4. Step 4: Simplify right side
    160,431.60x = 20,467,032,569.11
  5. Step 5: Solve for x
    x = 20,467,032,569.11/160,431.60
  6. Step 6: Final answer
    x = 127,574.82

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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.