Home / 145,440.48-200,659.58-118,536.72

Finding the Fourth Proportional to 145,440.48, 200,659.58 and 118,536.72

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Solution

The fourth proportional to 145,440.48, 200,659.58 and 118,536.72 is: 163,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,440.48 : 200,659.58 = 118,536.72 : x
  2. Step 2: Convert to fraction form
    145,440.48/200,659.58 = 118,536.72/x
  3. Step 3: Cross multiply
    145,440.48x = 200,659.58 × 118,536.72
  4. Step 4: Simplify right side
    145,440.48x = 23,785,528,449.78
  5. Step 5: Solve for x
    x = 23,785,528,449.78/145,440.48
  6. Step 6: Final answer
    x = 163,541.32

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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.