Home / 109,779.14-151,495.80-59,478.14

Finding the Fourth Proportional to 109,779.14, 151,495.80 and 59,478.14

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Solution

The fourth proportional to 109,779.14, 151,495.80 and 59,478.14 is: 82,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,779.14 : 151,495.80 = 59,478.14 : x
  2. Step 2: Convert to fraction form
    109,779.14/151,495.80 = 59,478.14/x
  3. Step 3: Cross multiply
    109,779.14x = 151,495.80 × 59,478.14
  4. Step 4: Simplify right side
    109,779.14x = 9,010,688,401.81
  5. Step 5: Solve for x
    x = 9,010,688,401.81/109,779.14
  6. Step 6: Final answer
    x = 82,080.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.