Home / 102,999.40-142,065.70-94,528.82

Finding the Fourth Proportional to 102,999.40, 142,065.70 and 94,528.82

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Solution

The fourth proportional to 102,999.40, 142,065.70 and 94,528.82 is: 130,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,999.40 : 142,065.70 = 94,528.82 : x
  2. Step 2: Convert to fraction form
    102,999.40/142,065.70 = 94,528.82/x
  3. Step 3: Cross multiply
    102,999.40x = 142,065.70 × 94,528.82
  4. Step 4: Simplify right side
    102,999.40x = 13,429,303,102.32
  5. Step 5: Solve for x
    x = 13,429,303,102.32/102,999.40
  6. Step 6: Final answer
    x = 130,382.35

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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.