Home / 153,688.98-230,478-64,949.34

Finding the Fourth Proportional to 153,688.98, 230,478 and 64,949.34

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Solution

The fourth proportional to 153,688.98, 230,478 and 64,949.34 is: 97,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,688.98 : 230,478 = 64,949.34 : x
  2. Step 2: Convert to fraction form
    153,688.98/230,478 = 64,949.34/x
  3. Step 3: Cross multiply
    153,688.98x = 230,478 × 64,949.34
  4. Step 4: Simplify right side
    153,688.98x = 14,969,393,984.52
  5. Step 5: Solve for x
    x = 14,969,393,984.52/153,688.98
  6. Step 6: Final answer
    x = 97,400.57

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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.