Home / 137,831.04-190,279.08-92,746.08

Finding the Fourth Proportional to 137,831.04, 190,279.08 and 92,746.08

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Solution

The fourth proportional to 137,831.04, 190,279.08 and 92,746.08 is: 128,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831.04 : 190,279.08 = 92,746.08 : x
  2. Step 2: Convert to fraction form
    137,831.04/190,279.08 = 92,746.08/x
  3. Step 3: Cross multiply
    137,831.04x = 190,279.08 × 92,746.08
  4. Step 4: Simplify right side
    137,831.04x = 17,647,638,776.01
  5. Step 5: Solve for x
    x = 17,647,638,776.01/137,831.04
  6. Step 6: Final answer
    x = 128,038.20

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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.