Home / 145,482.80-218,127-117,437.36

Finding the Fourth Proportional to 145,482.80, 218,127 and 117,437.36

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Solution

The fourth proportional to 145,482.80, 218,127 and 117,437.36 is: 176,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,482.80 : 218,127 = 117,437.36 : x
  2. Step 2: Convert to fraction form
    145,482.80/218,127 = 117,437.36/x
  3. Step 3: Cross multiply
    145,482.80x = 218,127 × 117,437.36
  4. Step 4: Simplify right side
    145,482.80x = 25,616,259,024.72
  5. Step 5: Solve for x
    x = 25,616,259,024.72/145,482.80
  6. Step 6: Final answer
    x = 176,077.58

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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.