Home / 160,392.22-221,333.36-91,484.40

Finding the Fourth Proportional to 160,392.22, 221,333.36 and 91,484.40

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Solution

The fourth proportional to 160,392.22, 221,333.36 and 91,484.40 is: 126,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,392.22 : 221,333.36 = 91,484.40 : x
  2. Step 2: Convert to fraction form
    160,392.22/221,333.36 = 91,484.40/x
  3. Step 3: Cross multiply
    160,392.22x = 221,333.36 × 91,484.40
  4. Step 4: Simplify right side
    160,392.22x = 20,248,549,639.58
  5. Step 5: Solve for x
    x = 20,248,549,639.58/160,392.22
  6. Step 6: Final answer
    x = 126,243.96

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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.