Home / 156,742.65-235,113.98-51,547.95

Finding the Fourth Proportional to 156,742.65, 235,113.98 and 51,547.95

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Solution

The fourth proportional to 156,742.65, 235,113.98 and 51,547.95 is: 77,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.65 : 235,113.98 = 51,547.95 : x
  2. Step 2: Convert to fraction form
    156,742.65/235,113.98 = 51,547.95/x
  3. Step 3: Cross multiply
    156,742.65x = 235,113.98 × 51,547.95
  4. Step 4: Simplify right side
    156,742.65x = 12,119,643,427.60
  5. Step 5: Solve for x
    x = 12,119,643,427.60/156,742.65
  6. Step 6: Final answer
    x = 77,321.93

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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.