Home / 143,018.24-197,401.45-97,714.53

Finding the Fourth Proportional to 143,018.24, 197,401.45 and 97,714.53

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Solution

The fourth proportional to 143,018.24, 197,401.45 and 97,714.53 is: 134,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018.24 : 197,401.45 = 97,714.53 : x
  2. Step 2: Convert to fraction form
    143,018.24/197,401.45 = 97,714.53/x
  3. Step 3: Cross multiply
    143,018.24x = 197,401.45 × 97,714.53
  4. Step 4: Simplify right side
    143,018.24x = 19,288,989,908.07
  5. Step 5: Solve for x
    x = 19,288,989,908.07/143,018.24
  6. Step 6: Final answer
    x = 134,870.84

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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.