Home / 130,442.08-180,009.92-70,826.08

Finding the Fourth Proportional to 130,442.08, 180,009.92 and 70,826.08

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Solution

The fourth proportional to 130,442.08, 180,009.92 and 70,826.08 is: 97,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,442.08 : 180,009.92 = 70,826.08 : x
  2. Step 2: Convert to fraction form
    130,442.08/180,009.92 = 70,826.08/x
  3. Step 3: Cross multiply
    130,442.08x = 180,009.92 × 70,826.08
  4. Step 4: Simplify right side
    130,442.08x = 12,749,396,994.71
  5. Step 5: Solve for x
    x = 12,749,396,994.71/130,442.08
  6. Step 6: Final answer
    x = 97,739.91

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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.