Home / 153,475.09-230,243.85-64,728.91

Finding the Fourth Proportional to 153,475.09, 230,243.85 and 64,728.91

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Solution

The fourth proportional to 153,475.09, 230,243.85 and 64,728.91 is: 97,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,475.09 : 230,243.85 = 64,728.91 : x
  2. Step 2: Convert to fraction form
    153,475.09/230,243.85 = 64,728.91/x
  3. Step 3: Cross multiply
    153,475.09x = 230,243.85 × 64,728.91
  4. Step 4: Simplify right side
    153,475.09x = 14,903,433,444.70
  5. Step 5: Solve for x
    x = 14,903,433,444.70/153,475.09
  6. Step 6: Final answer
    x = 97,106.53

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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.