Home / 130,018.88-179,427.13-70,402.88

Finding the Fourth Proportional to 130,018.88, 179,427.13 and 70,402.88

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Solution

The fourth proportional to 130,018.88, 179,427.13 and 70,402.88 is: 97,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.88 : 179,427.13 = 70,402.88 : x
  2. Step 2: Convert to fraction form
    130,018.88/179,427.13 = 70,402.88/x
  3. Step 3: Cross multiply
    130,018.88x = 179,427.13 × 70,402.88
  4. Step 4: Simplify right side
    130,018.88x = 12,632,185,628.99
  5. Step 5: Solve for x
    x = 12,632,185,628.99/130,018.88
  6. Step 6: Final answer
    x = 97,156.55

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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.