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Finding the Fourth Proportional to 108,688.95, 152,320.05 and 108,688.95

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Solution

The fourth proportional to 108,688.95, 152,320.05 and 108,688.95 is: 152,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.95 : 152,320.05 = 108,688.95 : x
  2. Step 2: Convert to fraction form
    108,688.95/152,320.05 = 108,688.95/x
  3. Step 3: Cross multiply
    108,688.95x = 152,320.05 × 108,688.95
  4. Step 4: Simplify right side
    108,688.95x = 16,555,506,298.45
  5. Step 5: Solve for x
    x = 16,555,506,298.45/108,688.95
  6. Step 6: Final answer
    x = 152,320.05

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.