Home / 163,820.72-245,730.90-51,510.76

Finding the Fourth Proportional to 163,820.72, 245,730.90 and 51,510.76

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Solution

The fourth proportional to 163,820.72, 245,730.90 and 51,510.76 is: 77,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,820.72 : 245,730.90 = 51,510.76 : x
  2. Step 2: Convert to fraction form
    163,820.72/245,730.90 = 51,510.76/x
  3. Step 3: Cross multiply
    163,820.72x = 245,730.90 × 51,510.76
  4. Step 4: Simplify right side
    163,820.72x = 12,657,785,414.48
  5. Step 5: Solve for x
    x = 12,657,785,414.48/163,820.72
  6. Step 6: Final answer
    x = 77,266.08

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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.