Home / 130,368.13-179,930.54-73,779.50

Finding the Fourth Proportional to 130,368.13, 179,930.54 and 73,779.50

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Solution

The fourth proportional to 130,368.13, 179,930.54 and 73,779.50 is: 101,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.13 : 179,930.54 = 73,779.50 : x
  2. Step 2: Convert to fraction form
    130,368.13/179,930.54 = 73,779.50/x
  3. Step 3: Cross multiply
    130,368.13x = 179,930.54 × 73,779.50
  4. Step 4: Simplify right side
    130,368.13x = 13,275,185,356.86
  5. Step 5: Solve for x
    x = 13,275,185,356.86/130,368.13
  6. Step 6: Final answer
    x = 101,828.46

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1.5x scale

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.