Home / 109,485.32-164,155.02-39,355.52

Finding the Fourth Proportional to 109,485.32, 164,155.02 and 39,355.52

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Solution

The fourth proportional to 109,485.32, 164,155.02 and 39,355.52 is: 59,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.32 : 164,155.02 = 39,355.52 : x
  2. Step 2: Convert to fraction form
    109,485.32/164,155.02 = 39,355.52/x
  3. Step 3: Cross multiply
    109,485.32x = 164,155.02 × 39,355.52
  4. Step 4: Simplify right side
    109,485.32x = 6,460,406,172.71
  5. Step 5: Solve for x
    x = 6,460,406,172.71/109,485.32
  6. Step 6: Final answer
    x = 59,007.05

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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.