Home / 145,637.10-200,931.13-118,733.35

Finding the Fourth Proportional to 145,637.10, 200,931.13 and 118,733.35

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Solution

The fourth proportional to 145,637.10, 200,931.13 and 118,733.35 is: 163,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.10 : 200,931.13 = 118,733.35 : x
  2. Step 2: Convert to fraction form
    145,637.10/200,931.13 = 118,733.35/x
  3. Step 3: Cross multiply
    145,637.10x = 200,931.13 × 118,733.35
  4. Step 4: Simplify right side
    145,637.10x = 23,857,225,887.35
  5. Step 5: Solve for x
    x = 23,857,225,887.35/145,637.10
  6. Step 6: Final answer
    x = 163,812.84

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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.