Home / 104,005.10-143,527.02-56,258.40

Finding the Fourth Proportional to 104,005.10, 143,527.02 and 56,258.40

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Solution

The fourth proportional to 104,005.10, 143,527.02 and 56,258.40 is: 77,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.10 : 143,527.02 = 56,258.40 : x
  2. Step 2: Convert to fraction form
    104,005.10/143,527.02 = 56,258.40/x
  3. Step 3: Cross multiply
    104,005.10x = 143,527.02 × 56,258.40
  4. Step 4: Simplify right side
    104,005.10x = 8,074,600,501.97
  5. Step 5: Solve for x
    x = 8,074,600,501.97/104,005.10
  6. Step 6: Final answer
    x = 77,636.58

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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.