Home / 127,429.02-175,831.35-70,838.94

Finding the Fourth Proportional to 127,429.02, 175,831.35 and 70,838.94

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Solution

The fourth proportional to 127,429.02, 175,831.35 and 70,838.94 is: 97,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429.02 : 175,831.35 = 70,838.94 : x
  2. Step 2: Convert to fraction form
    127,429.02/175,831.35 = 70,838.94/x
  3. Step 3: Cross multiply
    127,429.02x = 175,831.35 × 70,838.94
  4. Step 4: Simplify right side
    127,429.02x = 12,455,706,452.77
  5. Step 5: Solve for x
    x = 12,455,706,452.77/127,429.02
  6. Step 6: Final answer
    x = 97,746.23

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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.