Home / 134,639.13-185,802.89-77,263.14

Finding the Fourth Proportional to 134,639.13, 185,802.89 and 77,263.14

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Solution

The fourth proportional to 134,639.13, 185,802.89 and 77,263.14 is: 106,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.13 : 185,802.89 = 77,263.14 : x
  2. Step 2: Convert to fraction form
    134,639.13/185,802.89 = 77,263.14/x
  3. Step 3: Cross multiply
    134,639.13x = 185,802.89 × 77,263.14
  4. Step 4: Simplify right side
    134,639.13x = 14,355,714,316.16
  5. Step 5: Solve for x
    x = 14,355,714,316.16/134,639.13
  6. Step 6: Final answer
    x = 106,623.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.