Home / 242,411.40-363,616.64-109,135.92

Finding the Fourth Proportional to 242,411.40, 363,616.64 and 109,135.92

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Solution

The fourth proportional to 242,411.40, 363,616.64 and 109,135.92 is: 163,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,411.40 : 363,616.64 = 109,135.92 : x
  2. Step 2: Convert to fraction form
    242,411.40/363,616.64 = 109,135.92/x
  3. Step 3: Cross multiply
    242,411.40x = 363,616.64 × 109,135.92
  4. Step 4: Simplify right side
    242,411.40x = 39,683,636,533.71
  5. Step 5: Solve for x
    x = 39,683,636,533.71/242,411.40
  6. Step 6: Final answer
    x = 163,703.67

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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.