Home / 159,611.90-239,417.85-103,624.70

Finding the Fourth Proportional to 159,611.90, 239,417.85 and 103,624.70

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Solution

The fourth proportional to 159,611.90, 239,417.85 and 103,624.70 is: 155,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,611.90 : 239,417.85 = 103,624.70 : x
  2. Step 2: Convert to fraction form
    159,611.90/239,417.85 = 103,624.70/x
  3. Step 3: Cross multiply
    159,611.90x = 239,417.85 × 103,624.70
  4. Step 4: Simplify right side
    159,611.90x = 24,809,602,880.90
  5. Step 5: Solve for x
    x = 24,809,602,880.90/159,611.90
  6. Step 6: Final answer
    x = 155,437.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.