Home / 162,281.18-223,946.42-90,660.98

Finding the Fourth Proportional to 162,281.18, 223,946.42 and 90,660.98

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Solution

The fourth proportional to 162,281.18, 223,946.42 and 90,660.98 is: 125,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,281.18 : 223,946.42 = 90,660.98 : x
  2. Step 2: Convert to fraction form
    162,281.18/223,946.42 = 90,660.98/x
  3. Step 3: Cross multiply
    162,281.18x = 223,946.42 × 90,660.98
  4. Step 4: Simplify right side
    162,281.18x = 20,303,201,904.69
  5. Step 5: Solve for x
    x = 20,303,201,904.69/162,281.18
  6. Step 6: Final answer
    x = 125,111.25

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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.