Home / 109,457.82-163,890.60-56,756.52

Finding the Fourth Proportional to 109,457.82, 163,890.60 and 56,756.52

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Solution

The fourth proportional to 109,457.82, 163,890.60 and 56,756.52 is: 84,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,457.82 : 163,890.60 = 56,756.52 : x
  2. Step 2: Convert to fraction form
    109,457.82/163,890.60 = 56,756.52/x
  3. Step 3: Cross multiply
    109,457.82x = 163,890.60 × 56,756.52
  4. Step 4: Simplify right side
    109,457.82x = 9,301,860,116.71
  5. Step 5: Solve for x
    x = 9,301,860,116.71/109,457.82
  6. Step 6: Final answer
    x = 84,981.23

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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.