Home / 124,118.19-171,313.70-70,435.55

Finding the Fourth Proportional to 124,118.19, 171,313.70 and 70,435.55

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Solution

The fourth proportional to 124,118.19, 171,313.70 and 70,435.55 is: 97,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,118.19 : 171,313.70 = 70,435.55 : x
  2. Step 2: Convert to fraction form
    124,118.19/171,313.70 = 70,435.55/x
  3. Step 3: Cross multiply
    124,118.19x = 171,313.70 × 70,435.55
  4. Step 4: Simplify right side
    124,118.19x = 12,066,574,758.14
  5. Step 5: Solve for x
    x = 12,066,574,758.14/124,118.19
  6. Step 6: Final answer
    x = 97,218.42

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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.