Home / 105,285.22-145,293.36-59,963.20

Finding the Fourth Proportional to 105,285.22, 145,293.36 and 59,963.20

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Solution

The fourth proportional to 105,285.22, 145,293.36 and 59,963.20 is: 82,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,285.22 : 145,293.36 = 59,963.20 : x
  2. Step 2: Convert to fraction form
    105,285.22/145,293.36 = 59,963.20/x
  3. Step 3: Cross multiply
    105,285.22x = 145,293.36 × 59,963.20
  4. Step 4: Simplify right side
    105,285.22x = 8,712,254,804.35
  5. Step 5: Solve for x
    x = 8,712,254,804.35/105,285.22
  6. Step 6: Final answer
    x = 82,749.08

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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.