Home / 163,688.52-245,531.66-42,108.86

Finding the Fourth Proportional to 163,688.52, 245,531.66 and 42,108.86

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Solution

The fourth proportional to 163,688.52, 245,531.66 and 42,108.86 is: 63,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,688.52 : 245,531.66 = 42,108.86 : x
  2. Step 2: Convert to fraction form
    163,688.52/245,531.66 = 42,108.86/x
  3. Step 3: Cross multiply
    163,688.52x = 245,531.66 × 42,108.86
  4. Step 4: Simplify right side
    163,688.52x = 10,339,058,296.51
  5. Step 5: Solve for x
    x = 10,339,058,296.51/163,688.52
  6. Step 6: Final answer
    x = 63,163.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.