Home / 141,303.15-212,897.20-127,809.91

Finding the Fourth Proportional to 141,303.15, 212,897.20 and 127,809.91

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Solution

The fourth proportional to 141,303.15, 212,897.20 and 127,809.91 is: 192,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,303.15 : 212,897.20 = 127,809.91 : x
  2. Step 2: Convert to fraction form
    141,303.15/212,897.20 = 127,809.91/x
  3. Step 3: Cross multiply
    141,303.15x = 212,897.20 × 127,809.91
  4. Step 4: Simplify right side
    141,303.15x = 27,210,371,971.25
  5. Step 5: Solve for x
    x = 27,210,371,971.25/141,303.15
  6. Step 6: Final answer
    x = 192,567.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.