Home / 130,458.32-180,030.14-73,097.40

Finding the Fourth Proportional to 130,458.32, 180,030.14 and 73,097.40

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Solution

The fourth proportional to 130,458.32, 180,030.14 and 73,097.40 is: 100,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,458.32 : 180,030.14 = 73,097.40 : x
  2. Step 2: Convert to fraction form
    130,458.32/180,030.14 = 73,097.40/x
  3. Step 3: Cross multiply
    130,458.32x = 180,030.14 × 73,097.40
  4. Step 4: Simplify right side
    130,458.32x = 13,159,734,790.15
  5. Step 5: Solve for x
    x = 13,159,734,790.15/130,458.32
  6. Step 6: Final answer
    x = 100,873.10

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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.