Home / 147,151.02-203,064.57-85,908.94

Finding the Fourth Proportional to 147,151.02, 203,064.57 and 85,908.94

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Solution

The fourth proportional to 147,151.02, 203,064.57 and 85,908.94 is: 118,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,151.02 : 203,064.57 = 85,908.94 : x
  2. Step 2: Convert to fraction form
    147,151.02/203,064.57 = 85,908.94/x
  3. Step 3: Cross multiply
    147,151.02x = 203,064.57 × 85,908.94
  4. Step 4: Simplify right side
    147,151.02x = 17,445,061,960.26
  5. Step 5: Solve for x
    x = 17,445,061,960.26/147,151.02
  6. Step 6: Final answer
    x = 118,552.10

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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.