Home / 113,814.99-157,065.08-66,070.35

Finding the Fourth Proportional to 113,814.99, 157,065.08 and 66,070.35

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Solution

The fourth proportional to 113,814.99, 157,065.08 and 66,070.35 is: 91,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.99 : 157,065.08 = 66,070.35 : x
  2. Step 2: Convert to fraction form
    113,814.99/157,065.08 = 66,070.35/x
  3. Step 3: Cross multiply
    113,814.99x = 157,065.08 × 66,070.35
  4. Step 4: Simplify right side
    113,814.99x = 10,377,344,478.03
  5. Step 5: Solve for x
    x = 10,377,344,478.03/113,814.99
  6. Step 6: Final answer
    x = 91,177.31

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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.