Home / 124,812.08-187,264.87-64,803.09

Finding the Fourth Proportional to 124,812.08, 187,264.87 and 64,803.09

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Solution

The fourth proportional to 124,812.08, 187,264.87 and 64,803.09 is: 97,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,812.08 : 187,264.87 = 64,803.09 : x
  2. Step 2: Convert to fraction form
    124,812.08/187,264.87 = 64,803.09/x
  3. Step 3: Cross multiply
    124,812.08x = 187,264.87 × 64,803.09
  4. Step 4: Simplify right side
    124,812.08x = 12,135,342,224.45
  5. Step 5: Solve for x
    x = 12,135,342,224.45/124,812.08
  6. Step 6: Final answer
    x = 97,228.91

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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.