Home / 130,430.09-179,988.36-73,841.46

Finding the Fourth Proportional to 130,430.09, 179,988.36 and 73,841.46

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Solution

The fourth proportional to 130,430.09, 179,988.36 and 73,841.46 is: 101,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,430.09 : 179,988.36 = 73,841.46 : x
  2. Step 2: Convert to fraction form
    130,430.09/179,988.36 = 73,841.46/x
  3. Step 3: Cross multiply
    130,430.09x = 179,988.36 × 73,841.46
  4. Step 4: Simplify right side
    130,430.09x = 13,290,603,285.41
  5. Step 5: Solve for x
    x = 13,290,603,285.41/130,430.09
  6. Step 6: Final answer
    x = 101,898.30

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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.