Home / 130,030.16-179,432.55-73,430.60

Finding the Fourth Proportional to 130,030.16, 179,432.55 and 73,430.60

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Solution

The fourth proportional to 130,030.16, 179,432.55 and 73,430.60 is: 101,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.16 : 179,432.55 = 73,430.60 : x
  2. Step 2: Convert to fraction form
    130,030.16/179,432.55 = 73,430.60/x
  3. Step 3: Cross multiply
    130,030.16x = 179,432.55 × 73,430.60
  4. Step 4: Simplify right side
    130,030.16x = 13,175,838,908.87
  5. Step 5: Solve for x
    x = 13,175,838,908.87/130,030.16
  6. Step 6: Final answer
    x = 101,329.10

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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.