Home / 153,868.16-230,830.32-70,760

Finding the Fourth Proportional to 153,868.16, 230,830.32 and 70,760

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Solution

The fourth proportional to 153,868.16, 230,830.32 and 70,760 is: 106,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,868.16 : 230,830.32 = 70,760 : x
  2. Step 2: Convert to fraction form
    153,868.16/230,830.32 = 70,760/x
  3. Step 3: Cross multiply
    153,868.16x = 230,830.32 × 70,760
  4. Step 4: Simplify right side
    153,868.16x = 16,333,553,443.20
  5. Step 5: Solve for x
    x = 16,333,553,443.20/153,868.16
  6. Step 6: Final answer
    x = 106,152.91

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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.