Home / 102,073.22-153,075.78-42,897.86

Finding the Fourth Proportional to 102,073.22, 153,075.78 and 42,897.86

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Solution

The fourth proportional to 102,073.22, 153,075.78 and 42,897.86 is: 64,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,073.22 : 153,075.78 = 42,897.86 : x
  2. Step 2: Convert to fraction form
    102,073.22/153,075.78 = 42,897.86/x
  3. Step 3: Cross multiply
    102,073.22x = 153,075.78 × 42,897.86
  4. Step 4: Simplify right side
    102,073.22x = 6,566,623,379.83
  5. Step 5: Solve for x
    x = 6,566,623,379.83/102,073.22
  6. Step 6: Final answer
    x = 64,332.48

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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.