Home / 160,630.29-221,671.10-89,011.51

Finding the Fourth Proportional to 160,630.29, 221,671.10 and 89,011.51

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Solution

The fourth proportional to 160,630.29, 221,671.10 and 89,011.51 is: 122,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,630.29 : 221,671.10 = 89,011.51 : x
  2. Step 2: Convert to fraction form
    160,630.29/221,671.10 = 89,011.51/x
  3. Step 3: Cross multiply
    160,630.29x = 221,671.10 × 89,011.51
  4. Step 4: Simplify right side
    160,630.29x = 19,731,279,002.71
  5. Step 5: Solve for x
    x = 19,731,279,002.71/160,630.29
  6. Step 6: Final answer
    x = 122,836.60

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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.