Home / 130,036.68-179,448.48-72,677.34

Finding the Fourth Proportional to 130,036.68, 179,448.48 and 72,677.34

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Solution

The fourth proportional to 130,036.68, 179,448.48 and 72,677.34 is: 100,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,036.68 : 179,448.48 = 72,677.34 : x
  2. Step 2: Convert to fraction form
    130,036.68/179,448.48 = 72,677.34/x
  3. Step 3: Cross multiply
    130,036.68x = 179,448.48 × 72,677.34
  4. Step 4: Simplify right side
    130,036.68x = 13,041,838,193.44
  5. Step 5: Solve for x
    x = 13,041,838,193.44/130,036.68
  6. Step 6: Final answer
    x = 100,293.53

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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.