Home / 130,337.63-179,824.10-72,968.49

Finding the Fourth Proportional to 130,337.63, 179,824.10 and 72,968.49

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Solution

The fourth proportional to 130,337.63, 179,824.10 and 72,968.49 is: 100,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,337.63 : 179,824.10 = 72,968.49 : x
  2. Step 2: Convert to fraction form
    130,337.63/179,824.10 = 72,968.49/x
  3. Step 3: Cross multiply
    130,337.63x = 179,824.10 × 72,968.49
  4. Step 4: Simplify right side
    130,337.63x = 13,121,492,677.77
  5. Step 5: Solve for x
    x = 13,121,492,677.77/130,337.63
  6. Step 6: Final answer
    x = 100,673.10

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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.