Home / 131,495.35-181,454.48-74,136.72

Finding the Fourth Proportional to 131,495.35, 181,454.48 and 74,136.72

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Solution

The fourth proportional to 131,495.35, 181,454.48 and 74,136.72 is: 102,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.35 : 181,454.48 = 74,136.72 : x
  2. Step 2: Convert to fraction form
    131,495.35/181,454.48 = 74,136.72/x
  3. Step 3: Cross multiply
    131,495.35x = 181,454.48 × 74,136.72
  4. Step 4: Simplify right side
    131,495.35x = 13,452,439,543.61
  5. Step 5: Solve for x
    x = 13,452,439,543.61/131,495.35
  6. Step 6: Final answer
    x = 102,303.54

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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.