Home / 163,442.61-245,164.32-51,123.56

Finding the Fourth Proportional to 163,442.61, 245,164.32 and 51,123.56

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Solution

The fourth proportional to 163,442.61, 245,164.32 and 51,123.56 is: 76,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,442.61 : 245,164.32 = 51,123.56 : x
  2. Step 2: Convert to fraction form
    163,442.61/245,164.32 = 51,123.56/x
  3. Step 3: Cross multiply
    163,442.61x = 245,164.32 × 51,123.56
  4. Step 4: Simplify right side
    163,442.61x = 12,533,671,597.56
  5. Step 5: Solve for x
    x = 12,533,671,597.56/163,442.61
  6. Step 6: Final answer
    x = 76,685.46

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1.5x scale

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.