Home / 156,795.90-235,193.85-38,465.70

Finding the Fourth Proportional to 156,795.90, 235,193.85 and 38,465.70

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Solution

The fourth proportional to 156,795.90, 235,193.85 and 38,465.70 is: 57,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,795.90 : 235,193.85 = 38,465.70 : x
  2. Step 2: Convert to fraction form
    156,795.90/235,193.85 = 38,465.70/x
  3. Step 3: Cross multiply
    156,795.90x = 235,193.85 × 38,465.70
  4. Step 4: Simplify right side
    156,795.90x = 9,046,896,075.95
  5. Step 5: Solve for x
    x = 9,046,896,075.95/156,795.90
  6. Step 6: Final answer
    x = 57,698.55

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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.