Home / 130,925.68-180,684.52-77,242.16

Finding the Fourth Proportional to 130,925.68, 180,684.52 and 77,242.16

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Solution

The fourth proportional to 130,925.68, 180,684.52 and 77,242.16 is: 106,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,925.68 : 180,684.52 = 77,242.16 : x
  2. Step 2: Convert to fraction form
    130,925.68/180,684.52 = 77,242.16/x
  3. Step 3: Cross multiply
    130,925.68x = 180,684.52 × 77,242.16
  4. Step 4: Simplify right side
    130,925.68x = 13,956,462,603.36
  5. Step 5: Solve for x
    x = 13,956,462,603.36/130,925.68
  6. Step 6: Final answer
    x = 106,598.36

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1.5x scale

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.