Home / 228,095.17-342,120.87-70,281.25

Finding the Fourth Proportional to 228,095.17, 342,120.87 and 70,281.25

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Solution

The fourth proportional to 228,095.17, 342,120.87 and 70,281.25 is: 105,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,095.17 : 342,120.87 = 70,281.25 : x
  2. Step 2: Convert to fraction form
    228,095.17/342,120.87 = 70,281.25/x
  3. Step 3: Cross multiply
    228,095.17x = 342,120.87 × 70,281.25
  4. Step 4: Simplify right side
    228,095.17x = 24,044,681,539.39
  5. Step 5: Solve for x
    x = 24,044,681,539.39/228,095.17
  6. Step 6: Final answer
    x = 105,415.13

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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.