Home / 190,148.50-262,404.93-105,271.03

Finding the Fourth Proportional to 190,148.50, 262,404.93 and 105,271.03

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Solution

The fourth proportional to 190,148.50, 262,404.93 and 105,271.03 is: 145,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148.50 : 262,404.93 = 105,271.03 : x
  2. Step 2: Convert to fraction form
    190,148.50/262,404.93 = 105,271.03/x
  3. Step 3: Cross multiply
    190,148.50x = 262,404.93 × 105,271.03
  4. Step 4: Simplify right side
    190,148.50x = 27,623,637,258.18
  5. Step 5: Solve for x
    x = 27,623,637,258.18/190,148.50
  6. Step 6: Final answer
    x = 145,274.02

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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.