Home / 104,285.70-143,903.46-64,001.16

Finding the Fourth Proportional to 104,285.70, 143,903.46 and 64,001.16

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Solution

The fourth proportional to 104,285.70, 143,903.46 and 64,001.16 is: 88,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,285.70 : 143,903.46 = 64,001.16 : x
  2. Step 2: Convert to fraction form
    104,285.70/143,903.46 = 64,001.16/x
  3. Step 3: Cross multiply
    104,285.70x = 143,903.46 × 64,001.16
  4. Step 4: Simplify right side
    104,285.70x = 9,209,988,368.01
  5. Step 5: Solve for x
    x = 9,209,988,368.01/104,285.70
  6. Step 6: Final answer
    x = 88,314.97

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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.