Home / 156,749.95-235,124.93-51,543.55

Finding the Fourth Proportional to 156,749.95, 235,124.93 and 51,543.55

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Solution

The fourth proportional to 156,749.95, 235,124.93 and 51,543.55 is: 77,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.95 : 235,124.93 = 51,543.55 : x
  2. Step 2: Convert to fraction form
    156,749.95/235,124.93 = 51,543.55/x
  3. Step 3: Cross multiply
    156,749.95x = 235,124.93 × 51,543.55
  4. Step 4: Simplify right side
    156,749.95x = 12,119,173,585.70
  5. Step 5: Solve for x
    x = 12,119,173,585.70/156,749.95
  6. Step 6: Final answer
    x = 77,315.33

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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.