Home / 105,298.70-145,295.40-59,977.56

Finding the Fourth Proportional to 105,298.70, 145,295.40 and 59,977.56

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Solution

The fourth proportional to 105,298.70, 145,295.40 and 59,977.56 is: 82,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,298.70 : 145,295.40 = 59,977.56 : x
  2. Step 2: Convert to fraction form
    105,298.70/145,295.40 = 59,977.56/x
  3. Step 3: Cross multiply
    105,298.70x = 145,295.40 × 59,977.56
  4. Step 4: Simplify right side
    105,298.70x = 8,714,464,341.00
  5. Step 5: Solve for x
    x = 8,714,464,341.00/105,298.70
  6. Step 6: Final answer
    x = 82,759.47

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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.