Home / 160,931.76-222,075.50-100,498.80

Finding the Fourth Proportional to 160,931.76, 222,075.50 and 100,498.80

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Solution

The fourth proportional to 160,931.76, 222,075.50 and 100,498.80 is: 138,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.76 : 222,075.50 = 100,498.80 : x
  2. Step 2: Convert to fraction form
    160,931.76/222,075.50 = 100,498.80/x
  3. Step 3: Cross multiply
    160,931.76x = 222,075.50 × 100,498.80
  4. Step 4: Simplify right side
    160,931.76x = 22,318,321,247.75
  5. Step 5: Solve for x
    x = 22,318,321,247.75/160,931.76
  6. Step 6: Final answer
    x = 138,681.89

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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.